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參數(shù)資料
| 型號： | 20-101-0356 |
| 廠商： | Rabbit Semiconductor |
| 文件頁數(shù)： | 82/94頁 |
| 文件大?。?/td> | 0K |
| 描述： | COMPUTER SINGLE-BOARD BL1800 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | Jackrabbit |
| 模塊/板類型： | 單板計(jì)算機(jī)模塊 |
| 適用于相關(guān)產(chǎn)品： | BL1800 |
| 產(chǎn)品目錄頁面： | 618 (CN2011-ZH PDF) |
| 其它名稱： | 316-1079 |
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User’s Manual
79
APPENDIX C. POWER MANAGEMENT
C.1 Power Supplies
Power is supplied to the Jackrabbit board from an external source through either header J1
or header J4. J1 is a 3-pin straight header with a pitch of 0.1". Vin is on pin 2 between
ground on pins 1 and 3. The symmetry allows for a 3-pin cable to be connected either way.
The Jackrabbit board itself is protected against reverse polarity by a Shottky diode at D2
as shown in Figure C-1. The Shottky diode has a low forward voltage drop, 0.3 V, which
keeps the minimum DCIN required to power the Jackrabbit lower than a normal silicon
diode would allow.
Figure C-1. Jackrabbit Power Supply Schematic
The external power, +RAW, is provided to any daughterboard connected to the Jackrabbit
via pin 38 of header J4. +RAW is not protected against reversed polarity, such as could
happen if the cable was connected to header J1 offset by one pin. This absence of protec-
tion is intentional so as to provide the maximum possible voltage to any daughterboard
connected to the Jackrabbit.
Capacitor C1 provides surge current protection for the voltage regulator, and allows the
external power supply to be located some distance away from the Jackrabbit board. A
switching power supply or a linear power supply option is provided, depending on the
Jackrabbit model.
LINEAR POWER SUPPLY
POWER
IN
J1
10 F
100 nF
330 F
7805
LM2575
U1
U2
+RAW DCIN
Vcc
L1
C3
C2
C1
330 H
1
2
3
1
2
3
1N5819
D2
D1
1N5819
14
15
8
1
12
7
17
18
10
2
3
4
1
SWITCHING POWER SUPPLY
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| 20-101-0357 | 功能描述:單板計(jì)算機(jī) BL1810 SINGLE BOARD COMPUTER RoHS:否 制造商:Ampro By ADLINK 外觀尺寸:EPIC 處理器類型:Intel Atom D510 頻率:1.66 GHz 存儲容量:2 GB (max) 存儲類型:DDR2, L2 Cache 接口類型:Ethernet, PS/2, SATA, Serial, USB 工作電源電壓:5 V, 12 V 功耗:13 W 最大工作溫度:+ 70 C 尺寸:165.1 mm x 114.3 mm |
| 20-101-0358 | 功能描述:單板計(jì)算機(jī) BL1820 RoHS:否 制造商:Ampro By ADLINK 外觀尺寸:EPIC 處理器類型:Intel Atom D510 頻率:1.66 GHz 存儲容量:2 GB (max) 存儲類型:DDR2, L2 Cache 接口類型:Ethernet, PS/2, SATA, Serial, USB 工作電源電壓:5 V, 12 V 功耗:13 W 最大工作溫度:+ 70 C 尺寸:165.1 mm x 114.3 mm |
| 20-101-0383 | 功能描述:模塊化系統(tǒng) - SOM RCM2020 RabbitCore RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| 20-101-0389 | 功能描述:子卡和OEM板 SR9200 16IN/8OUT RoHS:否 制造商:BeagleBoard by CircuitCo 產(chǎn)品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| 20-101-0390 | 功能描述:子卡和OEM板 SR9210 8 in/ 16 out RoHS:否 制造商:BeagleBoard by CircuitCo 產(chǎn)品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
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